Core API The following are reserved and should not be used in methods or names: __FILE__ __LINE__ alias and BEGIN begin break case class def defined? do END end else elsif ensure false for if in module next nil not or redo rescue retry return self super then true undef unless until when while yield
The field indicated by the term "reserved" may be used in future revisions of the DVD specifications. Unless otherwise indicated all reserved bits shall be set to zero.
Said of an object in the delivery, retrieval or input queue that the client can access without first removing it from that queue, yet with confidence that no other client can access the object simultaneously.